Home / 87,534.20-131,366.10-34,981.40

Finding the Fourth Proportional to 87,534.20, 131,366.10 and 34,981.40

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Solution

The fourth proportional to 87,534.20, 131,366.10 and 34,981.40 is: 52,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,534.20 : 131,366.10 = 34,981.40 : x
  2. Step 2: Convert to fraction form
    87,534.20/131,366.10 = 34,981.40/x
  3. Step 3: Cross multiply
    87,534.20x = 131,366.10 × 34,981.40
  4. Step 4: Simplify right side
    87,534.20x = 4,595,370,090.54
  5. Step 5: Solve for x
    x = 4,595,370,090.54/87,534.20
  6. Step 6: Final answer
    x = 52,498.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.